A website Maths Puzzle Numerical Ability Time Distance and Speed

A and B run a 1 km race. If A gives B a start of 50m, A wins by 14 seconds and if A gives B a start of 22 seconds, B wins by 20 meters. Find the time taken by A to run 1 km.
a) 100
b) 1000
c) 90
d) 10

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A website Other Question

In how many ways can you write 3240 as a product of 3 positive integers a, b and c?
A) 450
B) 420
C) 350
D) 320 x more than 50% fishes of a pond are taken and fishes equal to square root of total number of fishes are sold for aquarium purposes. 1 more than 10% of the remaining fishes are purchased by a shopkeeper and fishes equal to square root of the number of fishes purchased by shopkeeper are sold for food purposes. If 16 fishes are sold for food purpose, then minimum possible value of x will be