Grade 8 Competition

1. What is the difference between the successor of 23798 and the predecessor of the 32546?

• 8746

• 9348

• 9252

• 8252

1. Prerna had ₹ 3000. She bought 2 boxes of chocolates for ₹ 49.78 each, 4 packets for ₹ 11.77 each, and 3 notebooks for ₹ 56.12 each. How much money is left with her?

• ₹ 2795

• ₹ 315

• ₹ 2685

• ₹ 405

The given figure (not drawn to scale) is made of 6 equilateral triangles. If the length of PQ is 98 cm, find the total perimeter of the figure.

• 294 cm

• 196 cm

• 392 cm

• None of these

1. By how much is three-fourth of 108 is smaller than four-ninth of 279?

• 46

• 43

• 34

• 32

1. The weight of the three friends is in the ratio 3 : 4 : 5. If their total weight is 132 kg 480 gm, then find the weight of the heaviest person.

• 57 kg

• 55 kg 200 gm

• 54 kg 160 gm

• None of these

1. How much wire should be used to fence a garden of length 437.85 m and width 216.46 m?

• 1206.92 m

• 1308.62 m

• 1209.12 m

• None of these

1. Select a number from the options which will complete the given number pattern:

7, 32, 133, 538, _______, 8644

• 2089

• 2249

• 2159

• None of these

1. If the middle digit of each number is increased by 2 before arranging all the numbers in ascending order, then which of the following will be the last digit of the smallest number formed?

276, 952, 431, 746, 194, 835, 685

• 5

• 6

• 2

• 4

In the number line shown below PR = RT and RS = ST. Find the value of R and S.

• R = 4.0; S = 4.4

• R = 3.8; S = 4.5

• R = 3.9; S = 4.5

• None of these