Select the number that can replace the question mark [?] in the following series.
| 15 | 8 | 39 |
|---|---|---|
| 20 | 9 | 47 |
| 25 | 10 | ? |
- AOption (a)
32
- BOption (b)
98
- COption (c)
55
- DOption (d)
65
View answer & explanationHide answer & explanation
Correct answer
32
Find real questions from previous competitive exam papers with answers and solutions.
Leave the keyword blank to browse saved questions for your selected exam, newest papers first. Add a keyword, year or topic to narrow the results.
Browse complete papersSelect the number that can replace the question mark [?] in the following series.
| 15 | 8 | 39 |
|---|---|---|
| 20 | 9 | 47 |
| 25 | 10 | ? |
32
98
55
65
Correct answer
32
A can complete a work in 12 days, and B in 16 days. They work together for 3 days. How much work is left?
7/12
9/16
5/8
1/2
Correct answer
7/12
A can do a piece of work in 20 days. He worked for 8 days. Then B alone finishes the remaining work in 12 days. In how many days can B complete the whole work alone?
20
24
28
32
Correct answer
20
In a mixture, the ratio of milk to water is 7 : 2. If 9 liters of water is added, the ratio becomes 7 : 5. Find the original quantity of milk.
21 liters
28 liters
35 liters
42 liters
Correct answer
21 liters
Directions
There are 11 members in a family. Anisha and Anish are sister and brother respectively, whose father's sister's father is Ashish, who is the husband of Anamika. Ajay and Akash are brothers of Arzoo and Anju is the wife of Akash, whose son is Anish. Aman is the brother of the grandmother of Anisha. Aisha is the mother of Anjali, whose father is Aman. How is Anju related to Ashish?
How is Anju related to Ashish?
Wife
Sister
Daughter
Daughter-in-law
Correct answer
Wife
Directions
These questions are based on the following information:
'P@Q' means 'Q is the mother of P'.
'P$Q' means 'Q is the husband of P'.
'P#Q' means 'Q is the sister of P'.
'P&Q' means 'Q is the son of P'.
If 'A # B $ C & D # E' then how is B related with E?
Mother
Father
Daughter
Son
Correct answer
Mother
Read the following statement carefully and identify the conclusion that follows.
Statement:
All A are B.
No B is C.
All C are D.
Conclusions:
I. No A is C.
II. Some D are not B.
Only I follows
Only II follows
Both I and II follow
Neither I nor II follows
Correct answer
Only I follows
If a mirror is placed on the line MN, then which of the answer f
is the right image of the given figure?





Correct answer
Out of the following five figures, four are alike in some manner and one differs from these in that manner. Select the odd figure.





Correct answer
A person starts to walk from a ground in the west direction to reach his home. After 13km he reaches at point Y. From point Y, he takes a right turn, walks 7 km and reaches point C. From point C, he takes a left turn, walks 9km and reaches point T. From point T, he takes a left turn and walks 4km and reaches his home.
What is the shortest distance between his home and point Y?
6√5 km
\(3\sqrt{10}\) km
4√5 km
\(7\sqrt{10}\) km
Correct answer
6√5 km