state gov Rajasthan CET Senior Secondary Mock Test 2024 Quantitative Aptitude Average

There are four number A, B, C and D. Average of the first three, i.e., A, B and C is 15 and that of B, C and D is 16. If the last number, i.e., D is 19, then the first number is:

1

15

2

16

3

17

4

18

5

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