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Both a and b vary inversely with each other, when a = 6 and b = 21, then which of the following is a possible pair of corresponding values?

A12 and 7
B9 and 14
C18 and 14
D12 and 18

The sum of the interior angles of a polygon is 1440°. Find the number of sides of the polygon.

A14
B12
C10
D5

The ratio of the present ages of two brothers is 1 : 2 and 5 years back, the ratio was 1 : 3. What will be the ratio of their ages after 5 years?

A2 : 5
B5 : 2
C3 : 5
D5 : 3

Sanya went to her friend’s house at 9 : 45 am. She came back home in 180 minutes. If the given clock shows the time when she came back home, then which of the following options is correct?


AClock is 15 minutes slow.
BClock is 30 minutes slow.
CClock is 15 minutes fast.
DClock is 30 minutes fast.

Simplify : 36²(2³ × 24²)³ ÷ 27³(3² × 8⁴)²

A
B
C
DNone of these

Priya, Payal and Kirti bought m of ribbon for decorating the birthday present for Raman. What is the total length of ribbon they bought?

A
B
C
D

The value of


A
B
C
D

Which of the following statements is/are true?
(i) The quadrilateral in which only one pair of opposite sides is parallel, is a trapezium.
(ii) There are 7 right angles in one and half of a revolution.

AOnly (i) is true.
BOnly (ii) is true.
CBoth (i) and (ii) are true.
DNeither (i) nor (ii) is true.

Read the given statements carefully and select the correct option.
Statement-1 :
Statement-2 : then p = 4 and q = 2.

AStatement-1 is true but Statement-2 is false.
BBoth Statement-1 and Statement-2 are true.
CBoth Statement-1 and Statement-2 are false.
DStatement-1 is false but Statement-2 is true.

The question is based on the following six numbers.
382 473 568 728 847 629
If 382 is written as 238, 473 as 347 and so on, then which of the following two numbers will have least difference between them?

A473 & 382
B629 & 728
C629 & 568
D728 & 847