Simplification & Approximation Mcqs

Q.  15% of 195 + 14% of 205 = _______?

a. 52
b. 62
c. 58
d. 78


ANSWER: See Answer
 
15/100 * 195 + 14/100 * 205 = 15/100 * 200 + 14/100 * 200

= 30 + 28 = 58
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
MCQs:  How much time does a train 125 metres long running at 60 km/hr take to pass a pole?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Walking 6/7th of his usual speed, a man is 12 minutes too late. What is the usual time taken by him to cover that distance?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  There are 21 poles with a constant distance between each pole. A car takes 30 seconds to reach the 16th pole. How long does it take to reach the last pole?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A person walking at 5/6th of his usual speed is 40 minutes late to his office. What is his usual travel time to his office?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A Man travelled a distance of 61 km in 9 hours. He travelled partly on foot at 4 km/hr and partly on bicycle at 9 km/hr. What is the distance travelled on foot?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Walking at 80% of his usual speed, a man is 10 mins late to his office. Find the usual time taken by hime to reach his office.
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  At 10 a.m. two trains started traveling toward each other from stations 287 miles apart. They passed each other at 1:30 p.m. the same day. If the average speed of the faster train exceeded the average speed of the slower train by 6 miles per hour, which of the following represents the speed of the faster train, in miles per hour?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Three towns X, Y, and Z are on a river which flows uniformly. Y is equidistant from X and Z. If a boats man rows from X to Y and back in 10 hours and X to Z in 4 hours, find the ratio of speed of the boats man in still water to the speed of the current.
Category: Mathematics Quizzes,   Published by: T-Code Scripts