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Today, the age of a father is thrice the age of his son. After 5 years, the age of father will be 2.5 times the age of his son. The age of son today is :
A dishonest shopkeeper uses a faulty measuring rod, which measures 90cm for a meter. Find the actual profit percent, if he claims to be selling at a profit of 10% only?
Anil and Sunil started a business investing equal amounts, Anil left after 9 months. They earned an annual profit of Rs. 28,000. What is Sunil’s share of annual profit?
The ratio of two numbers is 3 ∶ 8 and their sum is 88. What is the value of the smaller number?
Find the value of 5 × [6 × 2{3 × 7 ÷ (5 × 3)}].
A train is moving with a uniform speed. Train crosses a bridge of length 340 meters in 35 seconds and a bridge of length 460 meters in 38 seconds. What is the speed of the train?
The total time taken by a boat to go 120 km upstream and came back to the starting point is 8 hours. If the speed of the stream is 25% of the speed of the boat in still water, then find the difference between the upstream speed and the downstream speed of the boat.
A, B and C completed a work costing Rs. 1800. A worked for 6 days, B worked for 4 days and C worked for 9 days. If their daily wages are in the ratio of 5 : 6 : 4, how much amount will be received by A?
A and B can fill the tank in 60 and 90 minutes respectively. With the help of C, the tank is filled in 45 minutes. Find the work efficiency ratio of A and C(Ignore signs if any).
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