NDA Mock Test - 4 - NDA MCQ
30 Questions MCQ Test NDA (National Defence Academy) Mock Test Series 2024 - NDA Mock Test - 4
Directions : The students of a class are offered three languages (Hindi, English and French). 15 students learn all the three languages whereas 28 students do not learn any language. The number of students learning Hindi and English but not French is twice the number of students learning Hindi and French but not English. The number of students learning English and French but not Hindi is thrice the number of students learning Hindi and French but not English. 23 students learn only Hindi and 17 students learn only English. The total number of students learning French is 46 and the total number of students learning only French is 11.
Q.
How many students learn precisely two languages
The students of a class are offered three languages (Hindi, English and French). 15 students learn all the three languages whereas 28 students do not learn any language. The number of students learning Hindi and English but not French is twice the number of students learning Hindi and French but not English. The number of students learning English and French but not Hindi is thrice the number of students learning Hindi and French but not English. 23 students learn only Hindi and 17 students learn only English. The total number of students learning French is 46 and the total number of students learning only French is 11.
Q.
How many students learn at least two languages
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The students of a class are offered three languages (Hindi, English and French). 15 students learn all the three languages whereas 28 students do not learn any language. The number of students learning Hindi and English but not French is twice the number of students learning Hindi and French but not English. The number of students learning English and French but not Hindi is thrice the number of students learning Hindi and French but not English. 23 students learn only Hindi and 17 students learn only English. The total number of students learning French is 46 and the total number of students learning only French is 11.
Q.
How many students learn English and French
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Directions : If A and B are two matrices of same order, then
Q.
(AB)n = AnBn is
If A and B are two matrices of same order, then
Q.
If A and B are symmetric matrices, then (ABA)T is
If A and B are two matrices of same order, then
Q.
If AB = BA, then (A + B)2 is equal to
If the sum of the matrices 
is the matrix 
then what is the value of y?
If 
where a, b are natural numbers, then which one of the following is correct?
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2 docs|101 tests
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2 docs|101 tests
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