Verbal Reasoning - Mental Ability Questions

In the following question, correct the equation by interchanging two signs.
6 + 8 ÷ 4 – 4 = 8

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

AHF, FMK, KRP, ?, UBZ

A*B means multiply A by B; A@B means divide A by B, A?B means add B to A and A=B means subtract B from A. Then find the value of 10*10 = 5*10 ? 50@10

In the following question, select the missing number from the given series. 23, 28, 34, 41, 49, ?

In a row of people Manu is 7th from bottom end of row. Shrey is 10 ranks above Manu. If Shrey is 8th from top end, then how many people are there in this row?

If in a certain language A is coded as 1, B is coded as 2, C is coded as 3, and so on, how is BIDDIC coded in that language?

In a certain code language, "PAGE" is written as "QCJI". How is "CALL"written in that code language?

If "A" denotes "multiplied by", "B" denotes "subtracted from", "C" denotes "added to" and "D" denotes "divided by", then

7 B 17 C 88 D 11 A 6 = ?