The standard form of the sum \(\frac { 3 }{ 4 } +\frac { 5 }{ 6 } +\left( \frac { -7 }{ 12 } \right) \) is

(a)

\(\frac { 1 }{ 22 } \)

(b)

\(\frac { -1 }{ 2 } \)

(c)

\(\frac { 1 }{ 12 } \)

(d)

1

If the area of a rectangle is 48m²n³ and whose length is 82mn² then, its breadth is______

(a)

6mm

(b)

8m²n

(c)

7m²n²

(d)

6m²n²

A flag pole 15 m high casts a shadow of 3 m at 10 a.m. The shadow cast by a building at the same time is 18.6 m. The height of the building is

(a)

90 m

(b)

91 m

(c)

92 m

(d)

93 m

How many 2 digit numbers contain the number 7?

(a)

10

(b)

18

(c)

19

(d)

20

A man buys an article for Rs.150 and makes overhead expenses which are 12% of the cost price. At what price must he sell it to gain 5%?

(a)

Rs. 180

(b)

Rs. 168

(c)

Rs. 176.40

(d)

Rs. 85

The product of LCM and HCF of two numbers is 24. If one of the number is 6, then the other number is ________.

(a)

6

(b)

2

(c)

4

(d)

8

The hypotenuse of a right angled triangle of sides 12cm and 16cm is __________.

(a)

28 cm

(b)

20 cm

(c)

24 cm

(d)

21 cm

There are four groups of letters in each set. Three of these sets are a like in some way while one is different. Find the one which is different.

(a)

C R D T

(b)

A P B Q

(c)

E U F V

(d)

G W H X

0.0000000002020 in scientific form is

(a)

2.02 \(\times\) 10⁹

(b)

2.02 \(\times\) 10⁻⁹

(c)

2.02 \(\times\) 10⁻⁸

(d)

2.02 \(\times\) 10⁻¹⁰

 Histogram is a graph of a ________ frequency distribution.

(a)

continuous

(b)

discontinuous

(c)

discrete

(d)

none of these