Math Mock Test in English for online practice of Competitive Exams. Objective MCQs with answer and solution.
Results
#1. A store offe Rs a variety of discounts that range between 20% and 25% inclusive. If a book is discounted to a price of Rs 270, then its greatest possible original price was :
#2. The wrong number of the sequence 36, 81, 144, 225, 256, 441 is
#3. $ \sqrt{{3}+\sqrt{{3}+\sqrt{{3}+}}}$…….. is equal to
#4. The least number which must be added to 1728 to make it a perfect square is :
#5. The HCF (GCD) of a, b is 12, a, b are positive integers and a > b > 12. The smallest values of (a, b) are respectively
HCF of a and b = 12
Numbers = 12x and 12y where x and y are prime to each other.
a > b > 12
a = 36; b = 24
#6. If the ratio of cost price to selling price is 10: 11, then the rate of percent of profit is
#7. A man bought 20 dozen eggs for Rs 720. What should be the selling price of each egg if he wants to make a profit of 20% ?
#8. $ \frac{4.41\times0.16}{2.1\times 1.6 \times 0.21} $ is simplified to
#9. Two numbers are in the ratio 3 : 4. Their LCM is 84. The greater number is
#10. 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)