Related Questions

Invar contains the highest percentage of
A Vanadium
B Iron
C Tungsten
D Cobalt
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is
A 12
B 36
C 54
D 68
Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel
A 24 %
B 36 %
C 40 %
D 60 %
Invar used in thermocouples is an alloy of nickel and
A Iron
B Copper
C Chromium
D Lead
Solution X contains 40% salt and 60% water by weights, Solution Y contains 25% salt and 75% water. If a mixture of X and Y contains 30% salt. What percent of the weight of this mixture is solution X?
A 10%
B 33.3%
C 40%
D 42.5%
A jar contains red balls and green balls in the ratio 3:1. If the jar contains only the two types of balls, which of the following cannot be the number of balls in the jar ?
A 96
B 80
C 72
D 54
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
Fresh fruit contains 68% water and dry fruit contains 20% water, How much dry fruit can be obtained from 100 km of fresh fruits?
A 20 kg
B 30 kg
C 35 kg
D 40 kg
A bird under controlled diet is fed daily 300 grams of a mixture of two foods: food A and food B. Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily, how many grams of food A are there in the mixture?
A 100
B 140
C 150
D 160
A bird under controlled diet is fed daily 300 grams of a mixture of two foods; food A and food B, Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily. how many grams of food A are there in the mixture?
A 100
B 140
C 150
D 160

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