Cognizant Cognizant Problem Solving and Logical Reasoning

Question 1

In a series 2, 6, 12, 20, 30, what is the next number?

Accepted Answer

42

Answer

40

Answer

44

Answer

46

Question 2

If all Bloops are Razzles and all Razzles are Lazzles, which statement must be true?

Accepted Answer

All Bloops are Lazzles

Answer

All Lazzles are Bloops

Answer

All Razzles are Bloops

Answer

No Lazzles are Bloops

Question 3

A train travels 60 km in 40 minutes. At the same speed, how far will it travel in 1 hour?

Accepted Answer

90 km

Answer

80 km

Answer

100 km

Answer

120 km

Question 4

Which number should replace the '?' in: 4, 9, 25, 49, ?, 169

Accepted Answer

121

Answer

81

Answer

100

Answer

144

Question 5

If CLOCK is coded as KCOLC, how is TOWER coded?

Accepted Answer

REWOT

Answer

RETOW

Answer

REWTO

Answer

ROTEW

Question 6

A and B can complete a job in 12 days together. A alone can do it in 18 days. How many days does B alone need?

Accepted Answer

36 days

Answer

24 days

Answer

30 days

Answer

42 days