What is the approximate value of 7.98 × 12.02 × 2.49?
Correct answer B. 240
Topic / 60 questions
Simplification MCQs are aptitude word problems that you solve by turning a short story into simple equations, such as heads and legs puzzles, dividing money among people and moving students between rooms. They appear in NTS, ISSB, SSC and banking tests. Every question has an instant answer, so you can check your setup and arithmetic.
Correct answer B. 240
Correct answer D. 9
Correct answer B. 600
Correct answer B. 120 litres
Correct answer B. Rs. 20000
Correct answer B. 2.47
Correct answer C. 11/15
Correct answer B. 5
Correct answer C. 2826
Correct answer B. 10
Correct answer C. 1700
Correct answer A. 800
Correct answer C. 290
Correct answer B. 260
Correct answer A. 8
Correct answer B. 5/4
Correct answer D. 10
Correct answer D. 6.7
Correct answer C. 26
Correct answer A. 70
This set covers both classic simplification (BODMAS order, fractions and decimals, percentages and approximation, and "find the missing number" equations) and word problems that must be translated into simple algebra. Typical questions involve hens and cows with a given number of heads and feet, two examination rooms where moving students changes the ratio, and sums of money divided in fixed fractions. Others ask about shooting contests, prices of sarees and shirts, and elevator rides between floors. The key skill is choosing one or two unknowns, writing the conditions as equations and solving them carefully. Checking your answer against the original story catches most errors.
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Let one animal type be x and the other be the remaining heads. Write an equation for the total legs and solve. For 48 heads and 140 feet with hens and cows, assume all are hens for 96 feet, then the extra 44 feet divided by 2 gives 22 cows and 26 hens.
Practise turning each sentence into an equation before doing any arithmetic. Learn quick methods for two-variable problems, such as the assume-all method for heads and legs. Then time yourself, aiming to set up each problem within about thirty seconds.
Last reviewed October 2026