I. 70x² - 143x + 72 = 0 70x² - 63x - 80 x + 72 = 0 7 x(10 x – 9) – 8(10 x – 9) = 0 (7x – 8) (10 x – 9) = 0 ∴ x = 9/10 ,8/7 II. 80 y² - 142y + 63 = 0 80 y² - 70 y - 72y + 63 = 0 10 y(8 y – 7) – 9(8 y – 7) = 0 (10 y – 9) (8 y – 7) = 0 ∴ y = 9/10 ,7/8 Hence, x ≥ y
Statements:All Januarys are Februarys.
No February is March.
All marches are Aprils.
Conclusions:
I. Some March are not Febr...
Statements:
No Addition is a Multiplication.
Some Multiplication are Subtraction.
All Subtraction are Division.
Only few Div...
Some tubes are not lamps. Some tubes may not be bulbs. All wires may be tubes.
Statements:
All jokers are clowns.
All clowns are masters.
Conclusions:
I. All jokers are masters. ...
Two Statements are given, followed by three conclusions numbered I, II and III. Assuming that the information given in the statement s is true, even if...
Statements:
Only a few Black is Grey.
Only Grey is White.
Some Black is Blue.
Conclusions:
No Blue being White is...
Statements:Some pins are needles.
All needles are ropes.
Some ropes are buckets.
All buckets are trees.
Conclusions:I. Some ...
Statements:
Only Pocket are Purse
All Chain are Pocket
A few Zip are Pocket
Conclusions:
I. Some Zip can never ...
Statement:
Only a few Lion is Leopard.
All Leopard is Tiger.
Some Leopard is Onion.
Conclusion:
I. No Tiger ...
Two statements are given followed by two conclusions numbered I& II. Assuming the statements to be true, even if they seem to be at variance with commo...
