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Frequently Asked IIT-JEE Latest Exam Pattern - IIT-JEE Sample Question with Solutions

(#M40037439) IIT-JEE QUESTION Keep an EYE

: Three machines A, B and C produce respectively 60%, 30% and 10 % of the total number of items of a factory. The percentage of defectives output of these machines are 2%, 3% and 4%, respectively. If an item is selected at random and is found defective. Find the probability that the selected item was produced by machine C.

Asked In IIT-JEE himanshu (8 years ago)

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(#M40028082) IIT-JEE QUESTION Mental Ability Keep an EYE

When 20 g of naphthoic acid (C11H8O2) is dissolved in 50 g of benzene (Kf = 1.72 K kg mol−1), a freezing point
depression of 2 K is observed. The van’t Hoff factor (i) is
(A) 0.5 (B) 1
(C) 2 (D) 3

Asked In IIT-JEE MAN (8 years ago)

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(#M40021807) IIT-JEE QUESTION probability Keep an EYE

A pack contains n cards numbered from 1 to n. Two consecutive numbered cards are removed from the pack and the sum of the numbers on the remaining cards is 1224. If the smaller of the numbers on the removed cards is k, then k  20 equal to,
option
a) 5
b) 4
c) 3
d) 2

Asked In IIT-JEE MAN (8 years ago)

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(#M40027370) IIT-JEE QUESTION Unit and Dimension Keep an EYE

Evaluate 24.36 + 0.0623 + 256.2

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(#M40027982) IIT-JEE QUESTION 2012 question Keep an EYE

The shape of XeO2F4 molecule is
option
(A) trigonal bipyramidal
(B) square plannar
(C) tetrahedral
(D) see-saw

Asked In IIT-JEE MAN (8 years ago)

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(#M40027852) IIT-JEE QUESTION 2011 question Keep an EYE

Which of the following is the wrong statement ?
(1) Ozone is violet-black in solid state
(2) Ozone is diamagnetic gas
(3) ONCl and ONO– are not isoelectronic
(4) O3 molecule is bent

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(#M40028118) IIT-JEE QUESTION 2007 Question Keep an EYE

The electrophile in this reaction is
(A) : CHCl (B) +CHCl2
(C) :CCl2 (D) .CCl3

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(#M40027346) IIT-JEE QUESTION Physics Keep an EYE

A physical quantity is measured and the result
is expressed as nu where u is the unit used
and n is the numerical value. If the result is
expressed in various units then :
(A) n ∝ size of u (B) n ∝ u2
(C) n ∝ u (D) n ∝ u
1

Asked In IIT-JEE MAN (8 years ago)

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(#M40027938) IIT-JEE QUESTION 2012 question Keep an EYE

A person blows into open-end of a long pipe. As a result, a high-pressure pulse of air travels down the pipe.
When this pulse reaches the other end of the pipe.
(A) a high-pressure pulse starts traveling up the pipe, if the other end of the pipe is open.
(B) a low-pressure pulse starts traveling up the pipe, if the other end of the pipe is open.
(C) a low-pressure pulse starts traveling up the pipe, if the other end of the pipe is closed.
(D) a high-pressure pulse starts traveling up the pipe, if the other end of the pipe is closed.

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(#M40035254) IIT-JEE QUESTION Numerical Ability and Scientific Aptitude Keep an EYE

The incomes of Gupta and Verma are in the ratio of 9:4 and their expenditures are in the ratio of 7:3. If both save Rs. 2000, Gupta's expenditure is

Asked In IIT-JEE Rashmi Sunder (8 years ago)

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