`(6` of `145 ÷ (3 + 2)) ÷ 2 - 4` of `20`​

What would come next in the following number sequence ? 2 3 2 3 4 2 3 4 5 2 3 4 5 6 2 3 4 5 6 7 2 3 4 1) 6 2) 5 3) 8 4) 9 5) None of these

If 1^(2) + 2^(2) + 3^(3)+ 4^(2) + …….. + 10^(2) = 385 then find the value of 2^(2) + 4^(2) + 6^(2) + ………. + 20^(2)

The HCF of p(x) = 26(6x^(4) - x^(3) - 2x^(2)) and q(x) = 20 (2x^(6) + 3x^(5) + x^(4)) is

The given numerals and answer the following questions. 4 5 3 6 4 6 7 3 6 5 4 2 3 4 5 3 6 4 2 3 5 7 8 3 6 7 3 2 1 2 3 5 3 6 5 6 7 3 6 7 3 6 4 1 2 5 4 3 6 How many 7's are followed 3 and preceded by 6?

The given numerals and answer the following questions. 4 5 3 6 46 73 6 5 4 2 3 4 5 3 6 4 2 3 5 7 8 3 6 7 3 2 1 2 3 5 3 6 5 6 7 3 6 7 3 6 4 1 2 5 4 3 6 How many 2's are preceded by the 4's but not followed by 5?

The given numerals and answer the following questions. 4 5 3 6 46 73 6 5 4 2 3 4 5 3 6 4 2 3 5 7 8 3 6 7 3 2 1 2 3 5 3 6 5 6 7 3 6 7 3 6 4 1 2 5 4 3 6 How many 3's are followed by '6' but not preceded by '4' ?

The given numerals and answer the following questions. 4 5 3 6 46 73 6 5 4 2 3 4 5 3 6 4 2 3 5 7 8 3 6 7 3 2 1 2 3 5 3 6 5 6 7 3 6 7 3 6 4 1 2 5 4 3 6 How many 4's are neither followed nor preceded by 6?

Find the following sums : (i) 12 + 13 + 14 + …+ 37 (ii) 18^(2) + 19^(2) + 20 ^(2) +…+ 47^(2) (iii) 2^(3) + 4^(3) + 6^(3) +… + 18^(3)

13 20 39 78 145 (?)