The mean value of the low spring tide water mark near Chennai is reckoned as the mean sea level in India. It serves as datum level i.e. the base or zero level from which the land elevations and sea depths are measured.
87 D 29 A 12 B 5 C 9 = ?
Which two signs should be interchanged to make the following equation correct?
36 – 36 ÷ 9 + 8 × 4 = 8
Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation.
16@5@4@2@...
By interchanging the given two numbers (not digits), which of the following equations will be correct?
24 and 15
I. 113 + 24 - 17 X ...
Which among the given operators should replace the “%” (in the same order) in the given expression below:
5 % 10 % 5 % 36 % 15 % 6
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the equation.
32 * 8 * 55 * 42 * 7 * 305
If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”
250 × 10 ...
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
65 * 45 * 25 * 5 * 35 * 60
If ‘x’ denotes ‘addition’, 
If 'A' stands for '-', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '÷', then what is the value of the following expression.
45 D...
