Math Mock Test in English : 1

Math Mock Test in English for online practice of Competitive Exams. Objective MCQs with answer and solution.

 

Results

#1. Find out the wrong number in the sequence 169, 144, 121, 100, 82, 64, 49

#2. The HCF and LCM of two numbers are 12 and 924 respectively. Then the number of such pairs is

Let the numbers be 12x and
12y where x and y are prime to
each other.
LCM = 12xy
12xy = 924
xy = 77
Possible pairs = (1,77) and (7,11)

#3. Instead of multiplying a number by 0.72, a student multiplied it by 7.2. If his answer was 2592 more than the correct answer, then the original number was :

#4. \sqrt{\frac{0.49}{0.25}} +\sqrt{\frac{0.81}{0.36}} is equal to

#5. Pick the odd one out from the sequence of numbers. 19, 23, 29, 37, 43, 46, 47 is

#6. A tap can fill a cistern in 8 hours and another tap can empty it in 16 hours. If both the taps are open, the time (in hours) taken to fill the tank will be :

#7. A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately :

#8. A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, then how far is the place?

#9. In a group of students, 70% can speak English and 65% can speak Hindi. If 27% of the students can speak none of the two languages, then what per cent of the group can speak both the languages?

#10. LCM of 12 and 16 Prime factorisation of 12 = 2^3 × 3 = 22 × 3 Prime factorisation of 16 = 2 × 2 × 2 × 2 = 24

[la​tex]e^{i pi} 1 = 0[/lat​ex] [la​tex]e^{i pi} 1 = 0[/lat​ex] [la​tex]e^{i pi} 1 = 0[/lat​ex]

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