Related Questions

L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
There are five statements given below: i. karim earns more than Rahim but less than Raihan ii. Tarique earns more than Farid iii. Rahim earns more than Rariq iv. Raihan and Rarique earn equal amounts v. Farid earns the least amount which of the above statements prove that Tarique earns more money than Rafiq?
A I, II and III
B II, III and IV
C III, IV and V
D I, III and IV
Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.
A Resorcinol
B Phenol
C Para-cresol
D Melamine
Phenolic antiseptics are added in the __________ soap.
A Shaving
B Medicated
C Metallic
D Transparent
ফিনোলিক -OH শনাক্তকরণে ব্যবহৃত বিকারকটি হলো ( The reagent used to identify phenolic -OH is)
A Fecl3
B Na, conc. HCl
C acidic K2Cr2O7
D NaHCO3
Ceramic compounds as compared to metallic compounds
A Crystallise faster
B Resist greater tensile stress at room temperature
C Have higher melting temperature
D Are better conductor of electricity at higher temperature
A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ?
A 2
B 3
C 9
D 6
Read the following information and answer the questions giver below it: *Seven students P,Q,R,S,T,U and V take a series of tests. *No two students get similar marks. *V always scores more than P. *P always scores more than Q. *Each time either R scores the highest and T gets the lest, or alternatively S scores the highest and U or Q scores the least. If R gets most, V should be ranked not lower than--
A Second
B Third
C Fourth
D Fifth
The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about
A 0.01 to 0.05 ppm
B 0.05 to 0.5 ppm
C 0.5 to 1.0 ppm
D 1.0 to 5.0 ppm
TLV of aldrin in public water supply system is about __________ μg/litre.
A 0.5
B 17
C 357
D 1097

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