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Past Questions
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NDA
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Mathematics
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2019/2020
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Q2
Question 2
If a*b = a+b-ab, evaluate 5*7
A.
19
B.
-23
C.
23
D.
-35
Objective
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Question details
Exam body
NDA
Subject
Mathematics
Year
2019/2020
Question no.
#2
Type
Objective
Previous · Q1
Simplify 3⁄5 ÷ (2⁄5 x 4⁄3 ÷ 4⁄9)
Next · Q3
A binary operation * is defined as $a/b * c/d = {a+c}/{bd}$ compute $2/3 * 3/5$
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