Sawaal
  • Home/
  • Searching for followed

 Searching for "followed"

Q:

A Person X started at 3 hours earlier  at 40km/h from a place P, then another person Y followed him at 60km/h. Started his journey at 3 O'clock, afternoon. What is the diference in time when X was30 km ahead of Y and when Y was 30 km ahead of X?

A) 2h B) 3h
C) 3.5h D) 4.25h
 
Answer & Explanation Answer: B) 3h

Explanation:

Time ( when X was 30 km ahead of Y) = (120-30)/20 =4.5h

Time ( when Y was 30 km ahead of X) = (120+30)/20 = 7.5 h

Thus, required  difference in time = 3h

Report Error

View Answer Report Error Discuss

Filed Under: Time and Distance

Q:

According to the 2001 Census,Maharashtra has the largest urban population and it is followed by

A) Uttar Pradesh and Tamil Nadu B) Delhi and Punjab
C) Haryana and Gujarat D) West bengal and Delhi
 
Answer & Explanation Answer: A) Uttar Pradesh and Tamil Nadu

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Economy

Q:

Find the total number of distinct vehicle numbers that can be formed using two letters followed by two numbers. Letters need to be distinct

A) 65000 B) 64000
C) 72000 D) 36000
 
Answer & Explanation Answer: A) 65000

Explanation:

Out of 26 alphabets two distinct letters can be chosen in 26P2 ways. Coming to numbers part, there are 10 ways.(any number from 0 to 9 can be chosen) to choose the first digit and similarly another 10ways to choose the second digit. Hence there are totally 10X10 = 100 ways. 

 

Combined with letters there are 6P2 X 100 ways = 65000 ways to choose vehicle numbers.

Report Error

View Answer Report Error Discuss

Filed Under: Permutations and Combinations

Q:

Four subjects — Physics, Chemistry, Mathematics and Biology were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the Chemistry period scheduled ?  

I. Mathematics period ended at 10.00 a.m. which was preceded by Biology. 

II. Physics was scheduled in the last period. 

III. Mathematics period was immediately followed by Chemistry. 

A) Only I B) Only I or Only II
C) Only II D) I and II together or I and III together
 
Answer & Explanation Answer: D) I and II together or I and III together

Explanation:

From I and II. we conclude that Mathematics period began at 9.00 a.m., Biology period began at 8.00 a.m. and Physics period began at 11 a.m. So. the Chemistry period began at 10.00 a.m. From I and III, we conclude that Mathematics period ended and Chemistry period began at 10.00 a.m.  

Report Error

View Answer Report Error Discuss

Filed Under: Data Sufficiency

Q:

If the last four letters of the word 'CONCENTRATION' are written in reverse order followed by next two in the reverse order and next three in the reverse order and then followed by the first four in the reverse order, counting from the end, which letter would be eighth in the new arrangement ?

A) E B) N
C) R D) T
 
Answer & Explanation Answer: C) R

Explanation:

The new letter sequence is NOITARTNECNOC.

The eighth letter from the end is R.

Report Error

View Answer Report Error Discuss

Filed Under: Alphabet Test

Q:

How many 4's are there preceded by 7 but not followed by 3?

5  9  3  2  1  7  4  2  6  9  7  4  6  1  3  2  8  7  4  1  3  8  3  2  5  6  7  4  3  9  5  8  2  0  1  8  7  4  6  3

A) Four B) Three
C) Six D) Five
 
Answer & Explanation Answer: A) Four

Explanation:

7  4  2

7  4  6

7  4  1

7  4  6

 

Only at these placees 4 is preceded by 7 but not followed by 3

Report Error

View Answer Report Error Discuss

Filed Under: Number, Ranking and Time Sequence Test