Ans 1:
Class : Class 7
Time duration between 10 A.M and 6 P.M = 8 hoursRate of decrease in temperature = 4 degree C/hourDecrease in temperature after 8 hours = (8*4)degree C = 32 degree CTemperature at 10 A.M (current temperature) = 35 degree CTherefore, temperature after 6 P.M = (35-32) degree C = 3 degree CSo the correct option is (C).
Ans 3:
Class : Class 7
it should be D right? it decreases 4C every hour, therefore it should be at 7C at 6PM.
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Select the combination of numbers so that the letters are arranged accordingly to form a meaningful word.
| H | B | M | R | S | U | O |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
A 3, 4, 2, 7, 6, 1, 5
B 5, 2, 7, 1, 4, 6, 3
C 4, 1, 7, 3, 2, 6, 5
D 4, 1, 7, 3, 2, 5, 6