albert and fernandes they have two leg swimming race. both start from opposite and of the pool. On the first leg, the boys pass each other at 18 mt from the deep end of the pool. during the II leg they pass at 10 mt from the shallow end of the pool. Both go at const speed. but one of them is faster. each boy rests for 4 sec to see at the end of the i leg. what is the length of the pool.

1287

A can do a piece of work in 30 days, which B can do in 20 days. Both started the work but A left 5 days before the completion of the work. It took how many days to complete the work?

1134

A person starts walking at a speed of 5km/hr through half the distance, rest of the distance he covers with a speed 4km/hr. Total time of travel is 9 hours. What is the maximum distance he can cover?

1705

There is a safe with a 5 digit number as the key. The 4th digit is 4 greater than second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.

1103

Conversation between two mathematicians: first : I have three children. The product of their ages is 36 .. If you sum their ages . it is exactly same as my neighbour's door number on my left. The second mathematician verifies the door number and says that the not sufficient . Then the first says " o.k one more clue is that my youngest is the youngest" Immediately the second mathematician answers . Can you answer the question asked by the first mathematician? What are the children ages?

2097

Two distinct no's are taken from 1,2,3,4......28. Find the probability that their sum is less than 13

1509

(998-1)(998-2)(998-3).....(998-n)= ? when n>1000

1403

What is the average candidates who appeared from state q during the given years?

1487

a train runs first half of the distance at 40 km/hr and the remaining half at 60 km/hr. What is the average speed for the entire journey?

1373

sir i need rrb secunderabad goods guard previous exam model papers

2465

A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.

1251

if the radius of the circle is increased by 6% then its area increased by

1131

If VXUPLVH is written as SURMISE, what is SHDVD?

2128

A school has 30% students from Maharashtra .Out of these 20% are Bombey students. Find the total percentage of Bombay?

1240

halley is clarks father& arthur is halleys father.after some years when halleys age is equal to arthurs age,halleys age becomes 5 times of clarks present age.clarks age then is 8 times his fathers present age. sum of arthur & halleys age is 100 find clarks present age

1096