Simplification & Approximation Mcqs

Q.  2003 * 2004 – 2001 * 2002 = _________?

a. 8000
b. 8010
c. 8020
d. 8040


ANSWER: See Answer
 
(2000 + 3)(2000 + 4) – (2000 + 1)(2000 + 2) = ?

Since (2000 * 2000) – (2000 * 2000) is equal to zero. ?
= (8000 + 6000 + 12) – (4000 + 2000 + 2)
=> ? = 14012 – 6002 = 8010
MCQs:  30.9 * 3000 – 10.1 * 1100 + 8298 – 4302 = _________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  421 * 0.9 + 130 * 101 + 10000 = ___________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  [8 + {(21 * √9/441 – 1 /5 of 60% – 1/5) * 625 + 7} ÷ 4] = _________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  [3/7 of {21 * (33.33% of (27 + 3) ÷ 5) – 7} – 8] = _______?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  [10 + {4 * ({2/3 + 1/4} * √144/121 + 23) ÷ 12 + 5} – 3] = _______?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  [50 – {20 + 60% of (26/13 + 24/12 + 21) – 2} + 8] = 625/?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  16.66% of 33.33% of 66.66% of ? = 30
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  12.5 + 10 1/4 of 100 ÷ 10% of 10 = ____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  (6 – 2 * 3 + 6) / (2 + 6 * 3 – 4) = _____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  2/3 * 5 1/2 * 2 * 7 5/6 * 9/11 = ______________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  6 – [5/6 + {3 7/8 – 2 1/3 + 1 7/9}] = _____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Positive integers indicated by x and y satisfy 3 1/x * y 2/5 = 13 3/4, the fractions being in their lowest terms, then x = ? and y = ____________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  (830 + ? * 3 * 14 / 100) – (830 * 14 * 3 / 100) = 20.16
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  If x % of 80 = 20% of y, then x = ? and y = ?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  (84 ÷ 14 ÷ 2 ÷ 9) * ? = 33⅓
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A man goes to his office from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming, what is the distance between his house and office?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A man covers a distance of 20 km in 3.5 hours partly by running and partly by walking. If he walks at 4 kmph and runs at 10 kmph, find the distance he covers by walking.
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Rayan crosses a 400m bridge in 3 minutes. What is speed?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Two bikes start at the same time from two destination 300 km apart and travel towards each other. If they cross each other at a distance of 130 km from one of the destination, what is the ratio of their speeds?
Category: Mathematics Quizzes,   Published by: T-Code Scripts