**1)6 9 15 27 51 ?**

a) 84

b) 99

c) 123

d) 75

e) None of these

**2)15 25 40 130 ?**

a) 500

b) 520

c) 490

d) 480

e) None of these

**3)6 13 38 ? 532 2675**

a) 129

b) 123

c) 172

d) 164

e) None of these

**4)1 3 24 360 8640 302400 ?**

a) 14525100

b) 154152000

c) 14515200

d) 15425100

e) None of these

**5)7 9 19 45 95 ?**

a) 150

b) 160

c) 145

d) 177

e) None of these

**6)A box contains 4 black balls, 3 red balls and 5 green balls. 2 balls are drawn from the box at random. What is the probability that both the balls are of the same colour?**

a) 47/68

b) 1/6

c) 19/66

d) 2/11

e) None of these

**7) In a class, the average height of 35 girls was measured 160 cm. Later on, it was discovered that the height of one of the girl was misread as 144 cm, while her actual height was 104 cm. What was the actual average height of girls in the class? (rounded off to two digits after decimal)**

a) 159.86 cm

b) 158.54 cm

c) 159.56 cm

d) 158.74 cm

e) None of these

Directions (8-10): Study the following table carefully and answer the questions given below it.

Percentage of marks obtained by various students in various subjects in an examination

**8) What is the approximate overall percentage obtained by C in the examination?**

a) 78

b) 69

c) 75

d) 71

e) 65

**9)What is the difference in the marks obtained by B in English and Maths together and the marks obtained by F in the same subjects?**

a) 24

b) 17

c) 15

d) 28

e) None of these

**10)The marks obtained by E in Geography is what per cent of the marks of the marks obtained by E in Hindi?**

a) 45

b) 55

c) 50

d) 60

e) None of these