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NTPC Graduate Tier 1 2016 Shift 2 📅 02 Apr, 2016

Compute: $5.16 \times 3.2$

A
15.502
B
16.512
C
17.772
D
17.52
Result Summary
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APEDIA

NTPC Graduate Tier 1
2016 • 02 Apr, 2016 • Shift 2
Compute: $5.16 \times 3.2$
Correct Answer
16.512
Multiplication Strategy: To avoid decimal confusion, temporarily remove the decimal points and multiply the whole numbers: 516 * 32.Arithmetic Execution: 516 * ......
💡 Analysis & Explanation
Multiplication Strategy ▼
To avoid decimal confusion, temporarily remove the decimal points and multiply the whole numbers: 516 * 32.
Arithmetic Execution ▼
516 * 30 = 15480. 516 * 2 = 1032. Adding these yields 16512.
Decimal Placement ▼
The first number has two decimal places, and the second has one. The final answer must have 2 + 1 = 3 decimal places.
Conclusion ▼
Placing the decimal three spots from the right gives exactly 16.512.