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Direct and Inverse Variation MATHS - Direct and Inverse Variation

ICSE - STD 8 - MATHS (ICSE - English Medium). 29 questions in this chapter.

Question types

Direct and Inverse Variation question types

29 questions across 3 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

29
Questions
3
Question groups
5
Question types
Sample Questions

Direct and Inverse Variation questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 11MCQ1 Mark
A tap fills a tank in $8$ hours and another tap at the bottom empties it in $10$ hours. If both work together, the tank will be filled in
  • A
    $18$ hours
  • B
    $24$ hours
  • C
    $36$ hours
  • ✓
    $40$ hours

Answer: D.

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Q 12MCQ1 Mark
If $5$ pipes can fill the tank in $1$ hour, then $4$ pipes will fill the tank in
  • ✓
    $75$ minutes
  • B
    $70$ minutes
  • C
    $65$ minutes
  • D
    none of these

Answer: A.

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Q 13MCQ1 Mark
A tree $12$ metre high casts a shadow of length $8$ metre. Height of the tree whose shadow is $6$ metre in length is
  • A
    $6 \ m$
  • ✓
    $9\  m$
  • C
    $15\  m$
  • D
    none of these

Answer: B.

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Q 14MCQ1 Mark
A photograph of bacteria is enlarged $100000$ times attains a length of $5 \ cm,$ then actual length of the bacteria is
  • A
    $0.00005 \ cm$
  • ✓
    $5 \times 10^{-5}$
  • C
    $5 \times 10^{-7}$
  • D
    all of these

Answer: B.

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Q 15MCQ1 Mark
$3$ persons can paint a house in $8$ days, then $4$ persons can paint the same house in
  • A
    $5$ days
  • ✓
    $6$ days
  • C
    $7$ days
  • D
    none of these

Answer: B.

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