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When all students in a school are made to stand in a row of 54, 30 such rows are formed. If the students are made to stand in the rows of 45, how many such rows can be formed ?

4, 3,4.5,8.75 ,20

the difference in the angles of a rhombus is 60.what is the ratio of the length of the diagonals of the rhombus?

A B C and D are points on a circle such that ABC is a equilateral triangle and AD is the diameter of the circle,if the radius of the circle is 2cm what is the area of quadilateral ABDC? how sides of equilateral triangle if found?

The number 649578 is divisible by a)5 b)9 c)6 d)11

What is the best way to approach DI questions? As they tend to be calculation extensive, what is the best strategy to optimise the time?

Find the digit in 469th place from right of 90^468

the rightmost non-zero digit of the number 20^2520?

mahendra.org.

find minimal vvalue of the expression a^6+b^6 if a^2+b^2=1?( if ur answer is 1/4 tell me how 3a^2b^2 becomes 3/4)