The number which is subtracted from \(\frac { -6 }{ 11 } \) to get \(\frac { 8 }{ 9 } \) is

(a)

\(\frac { 34 }{ 99 } \)

(b)

\(\frac { -142 }{ 99 } \)

(c)

\(\frac { 142 }{ 99 } \)

(d)

\(\frac { -34 }{ 99 } \)

The missing terms in the product - 3m3n x 9(_) = ___________m⁴n³ are

(a)

mn², 27

(b)

m²n, 27

(c)

m²n², -27

(d)

mn², -27

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

By selling a flower pot for Rs. 528, a woman gains 20%. At what price should she sell it to gain 25%?

(a)

Rs. 500

(b)

Rs. 550

(c)

Rs. 553

(d)

Rs. 573

What sum of money will earn Rs.500 as simple interest in 1 year at 5% per annum?

(a)

50000

(b)

30000

(c)

10000

(d)

5000

The area of a rectangle of length 21 cm and diagonal 29 cm is __________cm².

(a)

609

(b)

580

(c)

420

(d)

210

Common prime factors of 36, 60 and 72 are

(a)

2 x 2

(b)

2 x 3

(c)

3 x 3

(d)

3 x 2 x 2

\(\sqrt { 22+\sqrt { 7 } +\sqrt { 4 } } \) =

(a)

\(\sqrt { 25 } \)

(b)

\(\sqrt { 33 } \)

(c)

\(\sqrt { 31 } \)

(d)

\(\sqrt { 29 } \)

The difference between the largest value and the smallest value of the given data is_______

(a)

range

(b)

frequency

(c)

variable

(d)

none of these