Exams

The least number that must be subtracted from 202 to make it a perfect square is

The HCF of 36,54 and 108 is

Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

CD, XW, GH, TS, KL, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

EGL, DFK, CEJ, ?, ACH

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

KNJ, NQM, QTP, TWS, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

CLNW, EJPU, GHRS, IFTQ, ?

Find the average of all prime numbers between 20 and 50.