MCQ
The last day of a century cannot be
Monday
Wednesday
Tuesday
Sunday
A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is Rs. 855, the total profit is:
1425
1500
1575
1800
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
1:3
3:2
2:4
3:4
An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?
144
150
168
180
The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is
625
630
640
650
A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?
11
20
21
31
A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:
8
9
10
11
How many of the following numbers are divisible by 132 ? 264, 396, 462, 792, 968, 2178, 5184, 6336
4
5
6
7
If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:
3
1
5
10
Three unbiased coins are tossed. What is the probability of getting at most two heads?
3/4
1/4
3/8
7/8
#include int main() { printf("%x\n", -1>>1); return 0; }
Ffff
0fff
0000
Fff0
What function should be used to free the memory allocated by calloc() ?
Dealloc();
Malloc(variable_name, 0)
Free();
Memalloc(variable_name, 0)
What is (void*)0?
Representation of NULL pointer
Representation of void pointer
Error
None of above
If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable?
.
&
*
->
The library function used to find the last occurrence of a character in a string is
Strnstr()
Laststr()
Strrchr()
strstr()
Which of the following type of class allows only one object of it to be created?
Virtual class
Abstract class
Singleton class
Friend class
How can we make a class abstract?
By making all member functions constant.
By making at least one member function as pure virtual function.
By declaring it abstract using the static keyword.
By declaring it abstract using the virtual keyword.
Which of the following type of data member can be shared by all instances of its class?
Public
Inherited
Static
Friend
Which of the following statement is correct?
Overloaded functions can have at most one default argument.
An overloaded function cannot have default argument.
All arguments of an overloaded function can be default.
A function if overloaded more than once cannot have default argument.
Which of the following statement is incorrect?
Default arguments can be provided for pointers to functions.
A function can have all its arguments as default.
Default argument cannot be provided for pointers to functions.
A default argument cannot be redefined in later declaration.
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