1.Find the sum : `3 and 5`

The mean of 5 consecutive multiples of 7 is 28. Find the sum of 2nd and 3rd numbers.

Find the sum 3 C_1 + 5C_2

A certain sum amounts to Rs. 9,440 in 3 years and to Rs. 10,400 in 5 years. Find the sum and the rate percent.

Find the sum of the given series 3+5+9+17+33 + ..

Find the sum:  (i) 5/8+3/(10) (ii) 4 3/4+9 2/5

Find the sum of first n terms of the series 1^(3) + 3^(3) + 5^(3) +…

Without doing the actual addition, find the sum of: (i) 1 + 3 + 5 + 7 + 9 + 11+ 13 + 15 + 17+ 19 + 21 + 23 (ii) 1 + 3 + 5 + 7 + 9 + ......+39 + 41 (iii) 1 + 3 + 5 + 7 + 9 + ......+51 + 53

Find the sum:  (i) 5/6+3+3/4 (ii) 2 3/5+4 7/(10)+2 4/(15)

Find the sum of: 24 terms and n terms of 2 (1)/(2) , 3 (1)/(3) , 4 (1)/(6) ,5 ,......,

Find the sum of: 10 terms of 5 +8 + 11+ ....,