Dear Readers,
1-What should be added to each of the numbers in 2, 4 and 7 so that the resulting numbers are in continuous proportion?
a) 2
b)3
c) 1
d)4
2-What should be added to each of the numbers in 2, 4 and 7 so that the resulting numbers are in continuous proportion?
a) 2
b)3
c) 1
d)4
4-The difference between the interior and exterior angle at a vertex of a regular polygon is 144°. What is the number of sides of the polygon?
a) 18
b)20
c) 19
d)15
5-Ravi purchases 90 pens and sells 40 pens at a gain of 10% and 50 pens at a gain of 20%. Had he sold all of them at a uniform profit of 15% he would have got Rs. 40 less. Find the cost price of each pen?
a) 70 Rs
b)80 Rs
c) 90 Rs
d)100 Rs
6-If the number 5X8146Y is divisible by 88, then what is the value of X?
a) 3
b)1
c) 2
d)4
7-If the diameter of a solid hemisphere is 14 cm, then what will be its total surface area?
a) 462 cm^2
b)362 cm^2
c) 486 cm^2
d)261 cm^2
8-A and B working separately can do a piece of work in 21 and 24 days, respectively. If they work for a day alternately with A beginning the work, it would be completed in _________.
a) 24𝟏/𝟖days
b)22 𝟑/𝟖 days
c) 22 𝟐/𝟓 days
d) 22 𝟏/ 𝟖 days
9-The third proportional to 81 and 27 is:
a) 8
b)6
c) 7
d)9
10-The marked price of a study table is ₹3,200. It will be offered for ₹2,448 after two successive discounts. If the first discount is 10%, the second discount is:
a) 13%
b)10%
c) 15%
d)18%
ANSWER:-
Q-1(A)
Q-2(B)
Q-3(B)
Q-4(B)
Q-5(B)
Q-6(B)
Q-7(A)
Q-8(B)
Q-9(D)
Q-10(C)
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MAHENDRA GURU