The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years). A.

8, 20, 28 B.16, 28, 36

C.20, 35, 45 D.None of these

B

A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present? A.

32 years B.36 years

C.40 years D.48 years

C

Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg. A.

1 : 3 B.2 : 3

C.3 : 4 D.4 : 5

B

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in: A.

81 min. B.108 min.

C.144 min. D.192 min.

C

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P,Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes? A.

511

B.611

C.711

D.

811

B

Find the odd man out.

3, 5, 7, 12, 17, 19 A.

19 B.17

C.5 D.12

D

Find the odd man out

835, 734, 642, 751, 853, 981, 532 A.

751 B.853

C.981 D.532

A

A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream. A.

2 hours B.3 hours

C.4 hours D.5 hours

C

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is: A.

16 hours B.18 hours

C.20 hours D.24 hours

D

A trader owes a merchant Rs. 10,028 due 1 year hence. The trader wants to settle the account

after 3 months. If the rate of interest 12% per annum, how much cash should he pay? A.

Rs. 9025.20 B.Rs. 9200

C.Rs. 9600 D.Rs. 9560

B

The simple interest and the true discount on a certain sum for a given time and at a given rate are Rs. 85 and Rs. 80 respectively. The sum is: A.

Rs. 1800 B.Rs. 1450

C.Rs. 1360 D.Rs. 6800

C

A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?A.

45% B.45

5%

11

C.54

6%

11D.55%

B

If A = x% of y and B = y% of x, then which of the following is true? A.

A is smaller than B. B.A is greater than B

C.Relationship between A and B cannot be determined.

D.If x is smaller than y, then A is greater than B.

E.None of these

E

The following table gives the percentage of marks obtained by seven students in six different subjects in an examination.

The Numbers in the Brackets give the Maximum Marks in Each Subject.

Student

Subject (Max. Marks)

Maths Chemistry Physics Geography History Computer Science

(150) (130) (120) (100) (60) (40)

Ayush 90 50 90 60 70 80

Aman 100 80 80 40 80 70

Sajal 90 60 70 70 90 70

Rohit 80 65 80 80 60 60

Muskan 80 65 85 95 50 90

Tanvi 70 75 65 85 40 60

Tarun 65 35 50 77 80 80

What are the average marks obtained by all the seven students in Physics? (rounded off to two digit after decimal)A.

77.26 B.89.14

C.91.37 D.96.11

B

The number of students who obtained 60% and above marks in all subjects is?A.

1 B.2

C.3 D.None

B

What was the aggregate of marks obtained by Sajal in all the six subjects?A.

409 B.419

C.429 D.449

D

Technical:

Which of the following special symbol allowed in a variable?A.

* (asterisk) B.| (pipeline)

C.- (hyphen) D._ (underscore)D

Is the following statement a declaration or definition?extern int i;

A.

Declaration B.Definition

C.Function D.Error

A

Input/output function prototypes and macros are defined in which header file?A.

conio.h B.stdlib.h

C.stdio.h D.dos.h

C

Which standard library function will you use to find the last occurance of a character in a string in C?A.

strnchar() B.strchar()

C.strrchar() D.strrchr()

D

In which stage the following code #include<stdio.h> gets replaced by the contents of the file stdio.hA.

During editing B.During linking

C.During execution D.During preprocessing

D

Which of the following is not logical operator?A.

& B.&&

C.|| D.!A

Point out the error, if any in the program.

#include<stdio.h>int main(){ int a = 10; switch(a) { } printf("This is c program."); return 0;}

A.

Error: No case statement specified

B.Error: No default specifiedC.No ErrorD.

Error: infinite loop occurs

C

Which of the following is the correct usage of conditional operators used in C?A.

a>b ? c=30 : c=40; B.a>b ? c=30;

C.max = a>b ? a>c?a:c:b>c?b:c D.return (a>b)?(a:b)

C

In which order do the following gets evaluated

1. Relational2. Arithmetic3. Logical4. AssignmentA.

2134 B.1234

C.4321

A

The brain of any computer system isA.

ALU

B.MemoryC.CPUD.

Control unit

E.None of the aboveC

Which of the following is the 1's complement of 10?A.

01 .

B.110C.11D.

10

E.None of the aboveA

A computer program that converts assembly language to machine language isA.

Compiler

B.InterpreterC.AssemblerD.

Comparator

E.None of the aboveC

The term referring to evacuating the content of some part of the machine is known asA.

Dump

B.EnhancementC.DownD.

Compiler

E.None of the aboveA