A number, when divided by 987, gives a remainder 59. When the same number is divided by 21, what is the remainder ?

Let number = x x = 987k + 59 (where k is any integer) `=>x=47xx21xx+2+17` `=>x=21(47k+2)+17` Required remainder = 17

Find the H.C.F OF ( 11

^{79}+ 13^{79})and (13^{85}+ 11^{85})If 4x + 1/5x = 4, then find value of 125x³ + 1/64x³

When N is divided by 5 the remainder is 2. What is the remainder, when n³ is divided by 5?

If x+ 1/x = 3, then find the value of 2x/(3x²-5x+3)

If the Simple Interest and Compound Interest of a sum of money for two years are Rs. 1800 and Rs. 1935 respectively. Then find out the sum?

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