Question
27 defective printers were kept with 81 non-defective
printers. One printer is picked at random. Find the probability that the printer is defective.Solution
Number of defective printers = 27
Total number of printers = 81 + 27 = 108
Required probability = (27/108) = (1/4)
If “ A ” denotes “added to”, “ B ” denotes “divided by”, “ C ” denotes “multiplied by” and “ D ” denotes “subtracted from�...
Which two digits and signs can be interchanged so as to balance the given equation?
406- 102 + 128 X 5 ÷ 58 = 545
Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct.
5 * 14 * 6 * 8 * 9 * 502
If × stands for 'addition', ÷ stands for 'subtraction', + stands for 'multiplication' and - stands for 'division', then 31 × 18 ÷ 20 - 5 + 9 = ?
If, 'A $ B' means 'A + B', 'A & B' means 'A ÷ B', 'A % B' means 'A X B' and 'A # B' means 'A - B', then what is the value of the given equation?
By interchanging which two signs the question will be correct?
15 + 5 ÷ 2 – 9 × 3 = 22
If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
19 ÷ 14 + 8 – 12 × 3
...Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.
25 * 55 * 30 * 66 * 48 = 48
Which of the following symbols should replace the sign (%) and (&) in the expression ' E > J ≥ N % T < S ≤ U = W & Y ≥ L' in order to make the exp...
If ‘ + ’ means ' × ', ‘ – ’ means ' ÷ ' , ‘×’ means '+' and ‘÷’ means '–', Then compute the value of the expression: 54 – 9 ...
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