Related Questions

Robi has 10 pairs of matched socks. If he loses 7 individual socks, what is the greatest number of pairs of matched socks he can have left?
A 7
B 6
C 5
D 4
Melinda's lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black socks, and 5 pairs of white socks. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color
A 3
B 5
C 7
D 9
In a certain sock drawer, there are 4 pairs black socks, 3 pairs of back socks, 3 pairs of gray of gray socks and 2 pairs of corage socks. It socks removed at random without replaced, what is the minimum number of socks that must removes in order to ensure that two socks of the the same color have been removed?
A 11
B 4
C 3
D 7
If 75% students of a class answered the first question in a test correctly, 55% answered the second question correctly and 20% answered neither of the questions correctly, what percent answered both the questions correctly?
A 50
B 34
C 44
D 14
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
A 10%
B 20%
C 30%
D 50%
Which one of the following one of the following pairs is not correctly matched?
A Berlin : Rhine
B London : thames
C New Yourk : Hudson
D vienna : Danube
Which one of the following pairs is NOT correctly matched?
A Visco-elastic – small plastic zone
B Orthotropic material – different properties in three perpendicular directions
C Strain hardening material – stiffening effect felt at some stage
D Isotropic material – same physical property in all directions at a point
Which one of the following pairs about organ/part that helps in locomotion is not correctly matched?
A Euglena : Flagellum
B Paramecium : Cilia
C Nereis : Pseudopodia
D Starfish : Tubefeet
Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly?
A Cobalt: It contributes to rerl hardness by hardening ferrite
B Molybdenum: It forms abrasion resisting particles
C Phosphorous: It improves machinability in free cutting steels
D Silicon: It reduces oxidation resistance
Which of the following pairs are not correctly matched?
A In such type of training, a master worker or trainer is appointed who guides the worker or learner regarding the skill of job-Apprenticeship programme
B Training is conducted away from the actual work place-Vestibule training
C This kind of training involves shifting the trainee from one department to another or from one job to another-Internship
D None of the above

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