The digit in unit's place of the number (1570)<sup>2</sup> + (1571)<sup>2</sup> + (1572)<sup…

If a (0.4)<sup>2</sup> , b = 0.04 and c = $$\frac{{2}}{{5}}$$ , then the correct relationship among the thre…

A number of boys raised Rs. 400 for a famine relief fund, each boy giving as many 25 paise coins as there were boys. Th…

What is the unit digit in {(6374)<sup>1793</sup> x (625)<sup>317</sup> x (341<sup>491</…

(112 × 5<sup>4</sup>) = ?

On multiplying a number by 7 all the digit in the product appear as 3's , the smallest such numbers is -

5<sup>(x + 3)</sup> = 25<sup>(3x - 4)</sup>, then find the value of x</sup>

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