Demo quiz

Identify the pattern and fill the blank

1, 9, 25, 49, __

• 81

• 76

• 51

• 59

Identify the pattern and fill in the blanks

2, 6, 12, 20, 30, __, 56

In a test (+5) marks are given for every correct answer and (–2) marks are given for every incorrect answer. (i) Radhika answered all the questions and scored 30 marks though she got 10 correct answers. (ii) Jay also answered all the questions and scored (–12) marks though he got 4 correct answers. How many incorrect answers had they attempted?

• Radhika - 10

  Jay - 16

• Radhika - 16

  Jay - 10

• Radhika - 9

  Jay - 16

• Radhika - 10

  Jay - 10

An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach – 350 m.

• 60 hours

• 1 hour

• 6 mins

• 3 hours

Find the value of x and y.

• x = 45

  y = 45

• x = 90

  y = 45

• x = 45

  y = 90

• x = 90

  y = 90

Simplify the expression 4(2x – 1) + 3x + 11 and find the value if x is equal to 2

• 31

• 28

• 29

• 30

The area of a rhombus is 240 cm2 and one of the diagonals is 16 cm. Find the other diagonal.

• 30

• 34

• 24

• 40