10% of X's income = 15% of Y's income = 25% of Z's

15 is divided in three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 83. Find the smallest part?

Find the 5^th term of the geometric progression whose first term is 128 and common multiple is 1/2.

If the number 9458k2 is divisible by 8, then find the number of possible values of 'k'.

21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.

What will be the mode of the following data?

13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16

What is least number which when successively divided by 6, 4 and 4 leaves a remainder 5, 3 and 3 respectively?

The areas of three adjacent faces of a cuboid are 32 cm²,24cm² and 48cm².Find the volume of cuboid.(in cm) ³

If 5th term of an AP is 20 and 10th term is 45, find 25th term.