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A boy and his dog are climbing a mountain. When the boy is 100m from the summit, his dog starts to run to the summit of the mountain. When it reaches the summit, it runs down the slope again. When the dog reaches the boy this time, he starts to run to the summit the second time, and this process continues until both have reached the top of the mountain. What is the length of the journey his dog has run?

If f(x)=16^x/ 16^x+4, find the value of f(1/852)+f(2/852)+f(3/852)+ ……..+f(851/852).

Facing some problems while practising quants problems from CAT quotient. Strange symbols are being displayed instead of inequality symbols, modulus operators etc, Hope Cracku gets rid of this bug soon.

How many different signals can be made by hoisting 5 different colored flags one above the other,when any number of them may be hoisted a time?
(a) 2^5 (b)5P5 (c)325 (d) None

Every day Sunita starts from her home in her car, picks up her son from the bus stop and travels back home. One day her son reached the bus stop 1 hour early and he started walking towards home. Sunita started from her home at the usual time and picked up her son midway and returned home 20 minutes earlier as compared to the usual time. Find the ratio of the speed of Sunita’s car to the speed of her son.

The above question is from CC50. My doubt is, it is mentioned that the son reached bus stop 1 hour early, Let's say generally his mom take him up from bus stop at 12 pm. But that day he reached at 1 hour before and started walking towards home, i.e. the son reached stop at 11 am. Now before his mom starts at 12pm, he must walked for 60 mins, then how come the son walked only for 50 mins as given in the solution?

A pump can be used for filling as well as emptying a tank. The capacity of the tank is 1,500 m 3. The emptying capacity of the tank is 10 m 3 per minute higher than its filling capacity and the pump needs 5 minutes less to empty the tank than it needs to fill it. What is the emptying capacity of the tank?

Should we spend time solving TITA questions or leave them as there is a high uncertainty while answering them especially in Verbal section?

how to tackle RC ??

how do i solve parajumbles?

Find the least number n such that no factorial has n trailing zeroes or n+1 trailing zeroes or n+2 trailing zeroes. (153, 126, 624, 18)