Q. A hemispherical bowl made of iron has an inner diameter of 84 cm. Find the cost of tin plating it on the inside at the rate of ₹ 21 per 100 cm2 correct to two places of decimal -
1) ₹2,328.48
2) ₹2,425.48
3) ₹2,425.60
4) ₹2,355.48
Q. If 6 women can complete a work in 3 days and 9 girls can complete the same work in 2 days, then find the time taken to complete the same work by 8 women and 6 girls?
1) 3 days
2) 4 days
3) 6 days
4) 9/7 days
Q. A mixture of milk and water measures 60 liters. It contains 10% water. How much water should be added to it, so that the water may be 25%?
1) 18 litres
2) 14 litres
3) 16 litres
4) 12 litres
Q. In the election, 8% of. the voters did not cast their votes. Two candidates contested the election in which the winning candidate got 48% of the total votes and won the election by 1100 votes. Find the total number of voters in the election, given that all the votes cast were valid?
1) 25500
2) 26500
3) 27500
4) 28500
Q. A circular clock has an hour hand of length 6 inches. Find the length of the distance it covers by its tip from 9 p.m. to 3 a.m. -
1) 4π inch
2) 2π inch
3) 6π inch
4) 8π inch
Q. If the diameter of a sphere is 63 cm, then what is the total surface area of the sphere?
1) 11824 cm2
2) 12836 cm2
3) 12474 cm2
4) 11248 cm2
Q. A thief is noticed by a policeman from a distance of 97 m. The thief starts running and the policeman chases him. The thief and the policeman run at a speed of 21 m/sec and 23 m/sec respectively. What is the time taken by the policeman to catch the thief?
1) 40 sec
2) 45 sec
3) 62.5 sec
4) 48.5 sec
Q. What is the single percentage discount equivalent to two successive discounts of 15% and 5%?
1) 19.00%
2) 19.25%
3) 18.00%
4) 18.25%
Q. A pen was sold for ₹ 166.44 with a profit of 14%. If it were sold for ₹154.76, then what would have been the percentage of profit or loss?
1) 5% loss
2) 6% profit
3) 5% profit
4) 6% loss
Q. A sum of ₹6,000 is to be paid back in two equal annual installments; each installment is to be paid at the end of every year. How much is each installment compounded annually at 2% p.a.? (Rounded off up to two decimal places)?
1) ₹2,092.29
2) ₹3,090.30
3) ₹2,291.29
4) ₹3,589.30
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