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Which of the following statements is incorrect?
P : The difference between maximum and minimum value of the observation in a data is called range.
Q : The number of times a particular entry occurs in a set of data is called its frequency.

AOnly P
BOnly Q
CBoth P and Q
DNeither P nor Q

If 42 : 165 :: m : 330, then find the value of

A2
B⁵⁄₆
C³⁄₄
DNone of these

Which of the following options is INCORRECT?

A25 minutes = 1500 seconds
B144 hours = 6 days
C3900 minutes = 65 hours
DNone of these

The length and breadth of a rectangular flower bed are 24 m and 5 m respectively. How many squares can be cut from it if each square has side of 2 m?

A30
B20
C35
DNone of these

Solve the following :
(i) Somesh wants to fence a rectangular field of length 150 m and breadth 80 m with four rounds of rope. What is the total length of rope he need?
(ii) A square of area 100 cm² has the same perimeter as of a regular pentagon. What is the length of the side of the regular pentagon?

A(i) -460 m, (ii) -8 cm
B(i) -920 m, (ii) 6 cm
C(i) -1840 m, (ii) 8 cm
D(i) -1260 m, (ii) 6 cm

The value of is _________.

A40/31
B4/9
C1/8
D31/40

Arrange the following in ascending order :


A
B
C
D

The ratio of Mohit’s savings in account A to his savings in account B was 8 : 7. He spent of his total savings. He then transferred some money from one account to another so that both accounts had ₹ 765 each. How much money did he have at first?

A₹ 2450
B₹ 2500
C₹ 2550
D₹ 1460

Match the column I and column II.


A(i)→(a); (ii)→(c); (iii)→(d); (iv)→(b)
B(i)→(c); (ii)→(a); (iii)→(d); (iv)→(b)
C(i)→(d); (ii)→(c); (iii)→(b); (iv)→(a)
D(i)→(b); (ii)→(d); (iii)→(a); (iv)→(c)

Find the sum of all the decimal numbers represented by the points P, Q and R on the given number line.


A3.6
B5.3
C4.9
D2.4