View difference between Paste ID: CxJkMcVH and zDuZ77xX

 Mongo > db.test.find()
 { "_id" : ObjectId("519ef9b9099b3346085145af"), "c" : 1, "d" : 1 }
 { "_id" : ObjectId("519ef9bc099b3346085145b0"), "c" : 2, "d" : 2 }
 { "_id" : ObjectId("519efa29099b3346085145b3"), "c" : 2, "d" : [ 3, 4, 5 ] }
 { "_id" : ObjectId("519efec6099b3346085145b5"), "c" : 3, "d" : [ 3, 4, 5 ] }
 
 Mongo > db.test.ensureIndex({ d : 1, c : 1 })
-Mongo > db.test.find({d : 4, c : {$gte : 1, $lte : 2}}).explain()
+Mongo > db.test.find({d : 4, c : {$gte : 1, $lte : 2}}).explain()	// check index bounds, not as expected
 {
 	"cursor" : "BtreeCursor d_1_c_1",
 	"isMultiKey" : true,
 	"n" : 1,
 	"nscannedObjects" : 1,
 	"nscanned" : 1,
 	"nscannedObjectsAllPlans" : 1,
 	"nscannedAllPlans" : 1,
 	"scanAndOrder" : false,
 	"indexOnly" : false,
 	"nYields" : 0,
 	"nChunkSkips" : 0,
 	"millis" : 0,
 	"indexBounds" : {
 		"d" : [
 			[
 				4,
 				4
 			]
 		],
 		"c" : [
 			[
 				1,
-				1.7976931348623157e+308
+				1.7976931348623157e+308		// $lte is not applied
 			]
 		]
 	},
 	"server" : "bdvlpabhishekk:27016"
 }
-Mongo > db.test.insert({c :3, d: [3, 4, 5]})
+----------------------
-Mongo > db.test.find({d : 4, c : {$gte : 1, $lte : 2}}).explain()
+Mongo > db.test.find({d : 4, c : {$lte : 2, $gte : 1}}).explain()	// $lte and $gte is interchanged, but index bound is again not expected
 {
 	"cursor" : "BtreeCursor d_1_c_1",
 	"isMultiKey" : true,
 	"n" : 1,
-	"nscannedObjects" : 2,
+
-	"nscanned" : 2,
+
-	"nscannedObjectsAllPlans" : 2,
+
-	"nscannedAllPlans" : 2,
+
 	"scanAndOrder" : false,
 	"indexOnly" : false,
 	"nYields" : 0,
 	"nChunkSkips" : 0,
 	"millis" : 0,
 	"indexBounds" : {
 		"d" : [
 			[
 				4,
 				4
 			]
 		],
 		"c" : [
 			[
 				-1.7976931348623157e+308,	// $gte not applied
-				1.7976931348623157e+308
+
 			]
 		]
 	},
 	"server" : "bdvlpabhishekk:27016"
 }