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No Of 10 Letter Codes That Can Be Formed Using The Characters Xyzr Are

1) 60840 2) 88400 3) 80640 4) 64080 Answer: (3) 80640 Solution: x y z r No. of codes 3... View Article

If p+q = 1 then Σ r. nCrprqn-r, r∈[r = 0, n] is equal to 1) 1 2) np 3)... View Article

1) 69760 2) 98748 3) 96747 4) 97147 Answer: (1) 69760 Solution: Number of words formed when all 5 letters... View Article

1) 15 2) 20 3) 25 4) 10 Answer: (1) 15 Solution: Number of ways a candidate can pass or... View Article

1) 11!/6!.4! 2) 11P6 3) 10!/[2(6!.5!)] 4) None of these Answer: (3) 10!/[2(6!.5!)] Solution: The beats can be arranged both... View Article

1) 907,200 2) 970200 3) 922700 4) 709002 Answer: (1) 907200 Solution: Given the word EXAMINATION As per the given... View Article

1) 420 2) 120 3) 210 4) None of these Answer: (4) None of these Solution: Since, the order of... View Article

1) 220 2) 204 3) 205 4) 195 Answer: (3) 205 Solution: Total number of points = 3+4+5 = 12... View Article

Yes, halogens react with water. To know about the oxoacids of halogens in detail, visit BYJU’S – The Learning App!!

Yes, bases change the color of indicators. To know about the example of bases in detail, visit BYJU’S – The... View Article

Yes, nuclear energy is a zero-emission clean energy source. To know about the nuclear power plant in detail, visit BYJU’S... View Article

The pH of sodium hydroxide is 13.0 To know about the properties of sodium hydroxide in detail, visit BYJU’S –... View Article

Yes, sodium hypochlorite is toxic by nature. It can cause coughing, nausea, stomach ache, burning sensation, sore throat, vomiting as... View Article

Yes, atoms are electrically neutral since they contain equal numbers of protons and electrons. To know about properties of electrons... View Article

No, nitrogen is not a noble gas. To know about noble gases in detail, visit BYJU’S – The Learning App!!

Aryabhatta is the father of number system. To know about various maths and science concepts in detail, visit BYJU’S –... View Article

Gravitation is the fundamental force on the earth. Gravitational energy is used in the following ways in everyday life: Water... View Article

Heat is the fundamental source of living. It is used for the following purpose in everyday life. Cooking, heating, drying,... View Article

Yes, corroded metals are dangerous. Corroded metals spread the corrosion and damage the associated parts of the metal and destroy... View Article

Most of the alcohols are flammable and highly combustible in nature. To know the types of alcohol in detail, visit... View Article