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7 ♣ 3 = 17

5 ♣ 3 = 13

8 ♣ 3 = 19

4 ♣ 2 = 10

2 ♣ 5 = 9

7 ♣ 9 = 23

7 ⊕ 3 = 4

2 ⊕ 1 = 1

9 ⊕ 6 = 3

8 ⊕ 4 = 4

8 ⊕ 3 = 5

A B

8 17

25 0

37 28

20 45

34 26

a) If there are ten rows, can you find the total number of Δ without actually counting?

b) If there are 20 rows, how many Δ will be there in all?

Rows | 1 | 2 | 3 | 4 | 5 | 6 | 7 |

Total Δ | 1 | 3 | 6 | 10 | 15 | --- | --- |

(1) 0.5 (2) 0.05 (3) 0.005 (4) 0.0005

Thursday (2) Tuesday (3) Friday (4) None of these

Saturday (2) Sunday (3) Thursday (4) None of these

578 (2) 568 (3) 468 (4) 558

0.75% (2) 60% (3) 75% (4) 7.5%

200 m

$ /Liters: | 1.5 | 2 | 3 | 4.5 | 6 |

Liters : | 60 | 45 | 30 | 20 | ? |

What will be consumption when there price is Rs. 6 a litre?

(1) 12 (2) 15 (3) 18 (4) 13.5

1)50 and 30 (2) 45 and 15 (3) 90 and 40 (4) 80 and 40

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