251. Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?
A. 344
B. 355
C. 366
D. 377
✅ The correct answer is option B. 355.
Mathematics
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252. In a camp sufficient food was provided to 500 men to last for 10 days. But after 5 days 200 more men joined. How long the food will last for after joining the 2000 new men?
A. 3
B. 8
C. 5
D. 1
✅ The correct answer is option D. 1.
253. A man invests some money partly in 9% stock at 96 and partly in 12% stock at 120. To obtain equal dividends from both he must invest the money in the ratio_________?
A. 3:4
B. 3:5
C. 4:5
D. 16:15
✅ The correct answer is option D. 16:15.
For an income of Re. 1 in 9% stock at 96,investments
For an income of Re. 1 in 9% stock at 96,investments
= Rs. (96 / 9).
254. A 25 cm wide path is to be made around a circular garden having a diameter of 4 meters. Approximate area of the path is square meters is__________?
A. 3.34
B. 2
C. 4.5
D. 5.5
✅ The correct answer is option A. 3.34.
Area of the path = Area of the outer circle – Area of the inner circle = ∏{4/2 + 25/100}2 – ∏[4/2]2
Area of the path = Area of the outer circle – Area of the inner circle = ∏{4/2 + 25/100}2 – ∏[4/2]2
255. Three 6 faced dice are thrown together. The probability that exactly two dice show the same number on them is -.
A. 5/9
B. 5/12
C. 1/36
D. 7/12
✅ The correct answer is option B. 5/12.
256. If x % of 80 = 20% of y, then x = ? and y = ?
A. x = 20, y = 20
B. x = 20, y = 40
C. x = 20, y = 80
D. Cannot be determined
✅ The correct answer is option D. Cannot be determined.
257. The compound interest accrued on an amount of Rs.44000 at the end of two years is Rs.1193.60. What would be the simple interest accrued on the same amount at the same rate in the same period?
A. Rs.10,840
B. Rs.10,720
C. Rs.10,560
D. Rs.10,280
✅ The correct answer is option C. Rs.10,560.
258. Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?
A. 56
B. 42
C. 38
D. 34
✅ The correct answer is option D. 34.
259. How much water must be added to a bucket which contains 40 liters of milk at the cost price of Rs.3.50 per liter so that the cost of milk reduces to Rs.2 per liter?
A. 25 liters
B. 28 litres
C. 30 liters
D. 35 liters
✅ The correct answer is option C. 30 liters.
260. A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?
A. 48 runs
B. 52 runs
C. 55 runs
D. 60 runs
✅ The correct answer is option A. 48 runs.