Ans 1:
Class : Class 8
5 years ago trishikas age is 10 yrs
jay is 3x*10=30x
present age of trishika is 15 yrs and jay is 30x +5
after 3 yrs trishika is 18 and jay is 30x+8
total age = 30x+8+18=30x+26
Pravir
Ans 2:
Class : Class 4
5 years ago, Trishika was 10 yrs old. Then, Jay was 3 x (10) yrs old = 30x 3 years after means 8 years after. Trishika’s age = 10 8 = 18 yrs. Jay‘s age = (30x) 8 yrs. Total = 18 (30x) 8 = 26 30x Answer-(D) (26 30x) years old
Ans 5:
Class : Class 8
5 years ago trishikas age is 10 yrs
jay is 3x*10=30x
present age of trishika is 15 yrs and jay is 30x +5
after 3 yrs trishika is 18 and jay is 30x+8
total age = 30x+8+18=30x+26
Pravir
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Ans 1:
Class : Class 6
Answer is A because the questions asks 3/4 of Quarter of traiangle i.e. 1/4th. So it is basically asking 3/16 of the triangle, hence, A.
Ans 4:
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Ans 2:
Class : Class 8
both are false bcas any fraction with numerator or denominator 0 is not valid / is not right
Ans 3:
Class : Class 8
both are false bias any fraction with numerator or denominator 0 is not valid / is not right
Ans 4:
Class : Class 10
Option C is correct because 0/(-7)=0 is wrong as when zero is divided by any other number, the answer is not defined but when any number is divided by zero, the answer is zero.
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Ans 1:
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Ans 9:
Class : Class 6
Both a and c are correct. As a is symmetrical vertically and c is symmetrical horizontally.