Present age of Ram and Shyam are in the ratio of 4: 5 respectively. Five year hence the ratio of their age becomes 5:6 respectively. What is Ram’s present age?
(A) 25 years
(B) 22 years
(C) 20 years
(D) 30 years
A is 4 years younger than B. B is 12 years younger than C. 4 years hence the ratio between C and A is 9:5, Find the age of B.
(A) 24
(B) 28
(C) 20
(D) 16
Water flows in to a tank 15 m.×10 m. through a rectangular pipe 2 m.×1.5 m. at 20 km./hr. In how much time will the water level in the tank rise by 3m.?
(A) 23 seconds
(B) 27 seconds
(C) 15 seconds
(D) 19 seconds
20 buckets of water fill a tank when the capacity of each bucket is 14.5 litres. How many buckets will be required to fill the same tank if the capacity of each bucket is 10 litres?
(A) 31
(B) 29
(C) 32
(D) 30
Solve the following equation 24 + 4 ÷ 4
(A) 28
(B) 6
(C) 25
(D) 7
If (x +y) = 6 and x2 + y2 = 20 then find the value of (x - y) 2.
(A) 6
(B) 10
(C) 2
(D) 4
A person swims a distance of 28 km. in the direction of stream in 5 hours and a distance of 13 km. in 5 hours against the stream. What is the velocity of the stream?
(A) 2.5 km./hr.
(B) 1.8 km./hr.
(C) 2 km./hr.
(D) 1.5 km./hr.
A man can row with the stream at 9 km/hr. and against the stream at 3 km/hr. His speed in still water is -
(A) 12 km/hr
(B) 5 km/hr
(C) 10 km/hr
(D) 6 km/hr
Find the LCM of x and (x+3).
(A) x(x+3)
(B) x2(x+3)
(C) (x+3)
(D) x
The HCF of 156, 312 and 195 is :
(A) 39
(B) 3
(C) 78
(D) 13
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