The approximate circumference of the Earth is (1) 13,000 km (2) 20,000 km (3) 25,000 km (4) 30,000 km

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The approximate circumference of the Earth is (1) 13,000 km (2) 20,000 km (3) 25,000 km (4) 30,000 km

asked Jan 13 by anonymous

The approximate circumference of the Earth is (1) 13,000 km (2) 20,000 km (3) 25,000 km (4) 30,000 km

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answered Jan 13 by anonymous

24,901 miles (40,075 km)

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The approximate length of the coastline of India is (1) 5,500 km (2) 6,000 km (3) 6,500 km (4) 7,000 km

Last answer: 7,000 km

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asked Jan 11 by anonymous

The ratio of the incomes of A and B last year was 9 : 13. Ratio of their incomes of last year to this year is 9 : 10 and 13 : 15 respectively. The sum of their present incomes is Rs 50,000. What is the present income of B? A) Rs 32,000 B) Rs 24,000 C) Rs 20,000 D) Rs 30,000 E) None of these

Last answer: Answer: D ratio of the incomes of A and B last year was 9x : 13y Now given that ratio of the incomes of A and B last year was 9 : 13. So 9x/13y = 9/13 This gives x = y Total of incomes of A ... = 50,000 This gives x = 2,000 So present income of B = 15y = 15x = 15*2000 = 30,000

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asked Jan 12 by anonymous

A bike starts with a speed of 60 km/hr at 8a.m. Due to the problem in engine it reduces its speed as 20 km/hr for every 1 hour. After 9 am, the time taken to covers 15 km is: a) 13 minutes and 20 seconds b) 15 minutes and 09 seconds c) 18 minutes and 15 seconds d) 22 minutes and 30 seconds

Last answer: D Initial speed of the bike= 60 km/hr Due to engine problem, speed is reduced to 20km for every 1 hour Speed of the car at 9 am = (60 - 20) = 40km/hr Time to cover 15 km at 40 km/hr = ... = 22 minutes + 1/2 minutes = 22 minutes + 1/2 x 60 seconds = 22 minutes and 30 seconds.

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asked 4 days ago by anonymous

The height of a geo-stationary satellite from the Earth’s surface is approximately : (1) 36,000 km (2) 42,000 km (3) 30,000 km (4) None of these

Last answer: 36,000 km

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asked Jan 14 by anonymous

Which one of the four regions above the earth has smallest height (km.) ? (1) Stratosphere (2) Mesosphere (3) Thermosphere (4) Troposphere

Last answer: Troposphere

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asked Jan 14 by anonymous

The earth completes one rotation on its axis in : (1) 23 hrs. 56 min. 4.9 sec (2) 23 hrs. 10 min. 2 sec (3) 23 hrs. 30 min. (4) 24 hrs.

Last answer: 23 hrs. 56 min. 4.9 sec

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asked 6 days ago by anonymous

If the fixed costs of a factory producing candles is Rs 20,000, selling price is Rs 30 per dozen candles and variable cost is Rs 1.5 per candle, what is the break-even quantity? (1) 20000 (2) 10000 (3) 15000 (4) 12000

Last answer: 20000

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asked Jan 12 by anonymous

Senthil started bike at 5 a.m to reach a temple. After going temple, his bike went out of order. Consequently he rested for 45 mins and came back to his house walking all the way. Senthil reached home at 8 a.m. if bike speed is 20 km/hr and his walking speed is 1 km/hr, then on bike he covered a distance of. a) 3.12 b) 2.76 c) 4.13 d) 2.14

Last answer: D Time taken = 2 hr 15 mins = 2 ¼ hrs Time = 9/4 hrs Let the required distance be x km Then x/20 + x/1 = 9/4 (X+20x) / 20 = 9/4 21x / 20 = 9/4 84x = 180 X= 2.14 km Therefore the required diatance is 2.14 km

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asked Jan 11 by anonymous

The incomes of A and B are in the ratio 1 : 2 and their expenditures are in the ratio 2 : 5. If A saves Rs 20,000 and B saves Rs 35,000, what is the total income of A and B? A) Rs 30,000 B) Rs 70,000 C) Rs 90,000 D) Rs 60,000 E) Rs 80,000

Last answer: Answer: C Income of A = x, of B = 2x Expenditure of A = 2y, of B = 5y Savings is (income – expenditure). So x – 2y = 20,000 2x – 5y = 35,000 Solve the equations, x = 30,000 So total = x+2x = 3x = 3*30,000 = 90,000

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asked Jan 10 by anonymous

Two trains A and B are moving in opposite directions at 180 km/hr and 270 km/hr. their lengths are 3.30 km and 2.7 km respectively. The time taken by the slower train to cross the faster train in second is. A) 48sec B) 13 sec C) 38sec D) 24sec

Last answer: ANSWER: A Explanation: Speed of 1st train = 180 km/hr Speed of 2nd train = 270 km/hr Relative speed = (180 + 270)km/hr = 450 km/hr = (450 * 5 / 180)m/s = (2250 / 18)m/s =125 m/s Distance covered = (3.30 + 2.70)km = 6km = 6000m Required time = 6000 / 125 = 48sec

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asked Jan 10 by anonymous

In a business, X,Y and Z inversed Rs.20,000/-,Rs.30,000/- and Rs.40,000/- respectively. After 1 year X adds Rs.10000/- to the initial investment.Y and Z withdrew Rs.10000/- and Rs.15,000/- respectively. After 2 years the total profit is Rs.9900/-. What is X’s share?. A) 3000 B) 2700 C) 3600 D) 4000

Last answer: Answer: A) X's Share = Rs.20000/- per first 1 year, Next year 10000/- added = Rs.20000/- 1 + Rs.30000/- 1 = Rs.50000/- Y's Share = Rs.30000/- per first 1 year, Next year 10000/- reduced = Rs.30000 ... /- 1 part------> Rs300/- Then, X's share is 10 parts = Rs.300/- 10 parts = Rs.3000/-

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asked Jan 10 by anonymous

In a company M and O invested amount in the ratio 3 : 2 whereas the ratio between amounts invested by M and N was 4 : 3. If Rs.1,80,000 was their profit, how much did N receive?(calculate approximate value) A) 75432 B) 74483 C) 76854 D) 76443

Last answer: Answer: B) M : O = 3:2 O: M= 2:3 = 8:12 M:N = 4 :3 =12:9 O:M:N = 8:12:9 Therefore N’s share = Rs (1,80,000 * 12/29) =Rs(2160000/29) = Rs.74483(approx.)

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asked Jan 10 by anonymous

The average price of 12 note books is Rs.15 while the average price of 10 of these note books is Rs.13. Of the remaining 2 note books, if the price of one note book is 50% more than the price of the other, what is the price of each of these two note books? A) Rs. 30, Rs.20 B) Rs. 8, Rs. 30 C) Rs. 10, Rs. 16 D) Rs. 12, Rs. 20

Last answer: Answer: A) Total price of 12 note books = Rs. 180 Total price of 10 note books= Rs. 130 ⇒ The price of 2 note books = Rs. 50 Let the price of each book be x and y. ⇒ x + y = 50 ----- ... note book is 50% more than the other price 150y/100+y=50 y=20 Substituting y value in (1) we get, x=30

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asked Jan 12 by anonymous

A single petrol tank supplies the petrol to the whole city, while the petrol tank is fed by a single pipeline filling the tank with the stream of uniform volume. When the petrol tank is full and if 20,000 litres of petrol is used daily, the supply fails in 45 days. If 16,000 litres of petrol is used daily, it fails in 30 days. How much petrol can be used daily without the supply every failing? a) 28000 b) 47000 c) 24000 d) 42000

Last answer: A Let x litre be the per day filling and y litre be the capacity of the tank, then 45x + y = 20000 × 45 =900000…. (1) 30x + y = 16000 × 30 =480000…. (2) Solving eq. (1) and (2), we get 15x=420000 X=420000/15 x = 28000 Hence, 28000 litres per day can be used without the failure of supply

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asked Jan 15 by anonymous

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asked Jan 14 by anonymous

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asked Jan 15 by anonymous

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asked Jan 14 by anonymous

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asked Jan 14 by anonymous

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asked Jan 14 by anonymous

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asked Jan 14 by anonymous

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asked Jan 14 by anonymous

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asked Jan 14 by anonymous

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asked Jan 13 by anonymous

The inner-most layer of the earth is known as (1) Lithosphere (2) Mesosphere (3) Asthenosphere (4) Barysphere

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asked Jan 13 by anonymous

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asked Jan 13 by anonymous

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asked Jan 13 by anonymous

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asked Jan 13 by anonymous

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asked Jan 13 by anonymous

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Pranesh can do a piece of job in 60 days. He works at it for 4 days and then sarvesh alone finishes the remaining work in28 days. In how much time will pranesh and sarvesh working together, finish the work? a) 35 days b) 30 days c) 25 days d) 20 days

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Last answer: Sanitary landfilling

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asked Jan 14 by anonymous

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Last answer: gravitational pull

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asked Jan 13 by anonymous

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Last answer: disturbance of earth surface

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asked Jan 13 by anonymous

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Last answer: Jupiter

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asked Jan 15 by anonymous

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asked Jan 15 by anonymous

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Last answer: Mariana Trench

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asked Jan 14 by anonymous

The atmospheric layer closest to the earth is: (1) Mesosphere (2) Hydrosphere (3) Troposphere (4) Ionosphere

Last answer: Troposphere

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asked Jan 14 by anonymous

The solar radiation coming to Earth is called (1) Radiant energy (2) Insolation (3) Sunshine (4) Terrestrial radiation

Last answer: Insolation

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asked Jan 14 by anonymous

A landscape which is caused due to the fissure in the earth along which one side has moved down with reference to the other is known as (1) Rift Valley (2) U Shaped Valley (3) V Shaped Valley (4) Hanging Valley

Last answer: Rift Valley

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asked Jan 14 by anonymous

The mountain formed on the earth crust due to tension is called (1) Young folded mountain (2) Old folded mountain (3) Laccolith mountain (4) Block mountain

Last answer: Block mountain

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asked Jan 13 by anonymous

When the earth is at the maximum distance from the Sun, it is called (1) Aphelion (2) Perihelion (3) Equinox (4) Sidereal

Last answer: Aphelion

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asked Jan 13 by anonymous

Which among the following statements is true regarding International Date line ? (1) It is 180° Longitude (2) It is a straight line (3) It is a big circle (4) It is a curved line beyond earth

Last answer: It is 180° Longitude

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The approximate circumference of the Earth is (1) 13,000 km (2) 20,000 km (3) 25,000 km (4) 30,000 km

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