1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If the sum of the first 9 terms of an AP is equal to sum of the first 11 terms, then what is the sum of the first 20 terms ?
A
20
B
10
C
2
D
0
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If the 5th term of an AP is $\frac{1}{10}$ and its 10th term is $\frac{1}{5},$ then what is the sum of first 50 terms ?
A
25
B
25⋅5
C
26
D
26⋅5
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is (1110011)2 ÷ (10111)2 equal to ?
A
(101)2
B
(1001)2
C
(111)2
D
(1011)2
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If x+ y3 = (100010111)2 and x + y = (11111)2, then what is (x - y)+ xy equal to ?
A
(1101)2
B
(1001)2
C
(1011)2
D
(1111)2
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