While solving a problem, by mistake, Anita squared a number and then subtracted 25 from it rather than first subtracting…

Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of last two i…

Half way through the journey from Delhi to Lahore Atalji began to look out of the window of the Samjhauta Express and co…

When we reverse the digits of the number 13, the increases by 18. How many other two digit numbers increases by 18 when …

If A381 is divisible by 11, find the value of the smallest natural number A?

The simplified value of $$\frac{{\left( {0.0539 - 0.002} \right) \times 0.4 + 0.56 \times 0.07}}{{0.04 \times 0.25}}$$

The sum of the digits of two-digit number is 10, while when the digits are reversed, the number decrease by 54. Find the…

The value of $$\left( {0.\overline {63} + 0.\overline {37} } \right)$$    is :